Hey barn dog did u ever fiqure this out, i am also trying to run a 2002 4.8 lr4 with a manual, using this os that ends in 56 i have copied the file in the plug in folder looks like a bunch of coding only readable part says something ls on top line, i have tried finishing the tune with ls droid and it just stops a lil after silence bus crap with ? mark. Andt to top it off i cannot find the original read me plug in to see if that the problem or i am also wondering if this xdf is only for v6 since that what it says at the end of it, if this is not correct please direct me to correct xdf.